Abstract: Systems and methods for object detection generate a feature pyramid corresponding to image data, and rescaling the feature pyramid to a scale corresponding to a median level of the feature pyramid, wherein the rescaled feature pyramid is a four-dimensional (4D) tensor. The 4D tensor is reshaped into a three-dimensional (3D) tensor having individual perspectives including scale features, spatial features, and task features corresponding to different dimensions of the 3D tensor. The 3D tensor is used with a plurality of attention layers to update a plurality of feature maps associated with the image data. Object detection is performed on the image data using the updated plurality of feature maps.

Abstract: A power management apparatus, includes an artificial intelligence (AI) controller configured to monitor a user pattern, based on frequency band selection information of all users using a base station, to predict the user pattern, and a DC-DC converter configured to output a supply voltage based on the predicted user pattern.

Abstract: The present invention relates to a method for determining a touchdown position of a robot performed by a computing device, the method comprising the steps of: detecting a disturbance during swing of a first leg of the robot toward a first touchdown position, calculating a second touchdown position based on a dynamic state of the robot in response to the detection of the disturbance, identifying a step obstacle region based on terrain information of the robot and determining whether the second touchdown position belongs to the step obstacle region, and determining a third touchdown position out of the step obstacle region as the touchdown position of the first leg, in a case in which the second touchdown position belongs to the step obstacle region.

Abstract: A pixel driving circuit, a driving method thereof, and a display panel are disclosed. A second transistor stores a threshold voltage of a first transistor in a first capacitor according to a second scan signal, so as to compensate an influence of the threshold voltage on a driving current. A fifth transistor makes a voltage difference between a first node and a second node irrelevant to a second voltage signal according to a fourth scan signal, so as to improve a current attenuation issue caused by a voltage drop during a signal transmission.

Abstract: The present invention relates to a lead transport gripper that is capable of stably transporting an electrode lead, without twisting the electrode leads due to friction or pressure.

Abstract: A downhole catcher for wellbore plunger includes an elongate, hollow body, a plunger catcher plate and a hydraulic actuation assembly. The body can be installed within a wellbore, and defines an interior volume through which a plunger of a plunger lift system can travel from the surface toward the subsurface reservoir. The plunger catcher plate is attached to a downhole end of the body. The plate can transition between a first and plate positions in which a plate axis is perpendicular to and parallel to the body axis, respectively. The plate can, in the second plate position, catch the plunger traveling from the surface toward the subsurface reservoir. The hydraulic actuation assembly is connected to the plunger catcher plate and can transition the plunger catcher plate from the first plate position to a second plate position in response to being hydraulically actuated.

Abstract: A method of manufacturing a composite material through a wet compression molding (WCM) process is disclosed. The internal pressure of a mold is controlled so that productivity may be improved due to process automation through application of a resin using a robot. Quality of the composite material may be improved due to minimization of deformation of a foam core through control of the internal pressure of the mold.

Abstract: Sensing circuit, detection control method, fingerprint identification module and display apparatus are provided. The sensing circuit comprises a photoelectric conversion element, an energy storage circuit, a switch control circuit, a discharge control circuit and a voltage conversion circuit. The photoelectric conversion element controls potential of first terminal of energy storage circuit according to received optical signal; the switch control circuit controls first terminal of energy storage circuit to be connected to or disconnected from conversion control node; the discharge control circuit controls conversion control node be connected to or disconnected from first voltage terminal; the voltage conversion circuit controls to output voltage signal outputted by output terminal according to second and/or third voltage signals.

Abstract: Some embodiments of the present disclosure provide a Light Emitting Diode(LED) lamp cap, the LED lamp cap includes a metal casing and an adjusting part, the adjusting part includes an adjusting member disposed on the upper part of the metal casing and a connecting part disposed in the metal casing, the adjusting member is connected with a switch through the connecting part, and the connecting part is configured for rotating by rotating the adjusting member so as to change a gear of the switch to adjust color temperature or brightness or timing or sensing of an LED light source.

Abstract: The present disclosure relates to a detection method and system for an underground space by joint use of fixed sensors and unmanned aerial vehicle (UAV) movement detection. The detection system includes underground space sensor nodes and an underground space UAV. The underground space sensor nodes are configured to perform fixed monitoring based on an adaptive optimal layout strategy for an underground structural space. The underground space UAV is configured to calculate a first virtual force, and realize movement detection by means of a virtual force-guided path planning algorithm. The underground space UAV is configured to calculate the first virtual force based on the electronic telescopic anti-collision bars, a second virtual force based on a static perception probability and a third virtual force based on structural evolution knowledge, and realize a fixed node-guided UAV flight detection mode by means of the virtual force-guided path planning algorithm.

Abstract: A system is provided for measuring a power radiated pattern of an incident radio frequency (RF) signal indicating spatial distribution characteristics of a device under test (DUT). The system includes multiple antenna elements arranged in an array, where the antenna elements include antennas and diodes coupled to the antennas, respectively. Each antenna has a radar cross-section (RCS) that is too small for the antenna elements to operate in a reflect mode. Each diode is zero biased, such that the diodes receive the incident RF signal through the antennas to which the diodes are respectively coupled, and rectify the incident RF signal to DC voltages that are proportional to power of the incident RF signal, enabling the antenna elements to operate in a detect mode.

Abstract: Provided are an adjustable bracket and a high-feet sofa. In the adjustable bracket, the transmission rod is in a straight rod structure. A first end of the transmission rod is connected to the fourth connection rod. A second end of the transmission rod is connected to the pedal rod group. The present disclosure provides an adjustable bracket. In the case of the same sitting height, the adjustable mechanism of a sofa has a more compact structure so that the cleaning work of a mop, a vacuum cleaner, or a floor-sweeping robot is facilitated. Moreover, the height of the sofa from the ground is higher, making the sofa more attractive.

Abstract: Provided herein are methods and systems for training and executing an AI model to generate a predicted dose map. In an example, a method comprises generating a training dataset comprising at least a medical image, structure mask(s) for structure(s) within the medical image, an indication of radiotherapy treatment modality, and beam geometry associated with a set of patients, wherein the training dataset comprises data associated with treatments implemented using at least one of volumetric modulated arc therapy or intensity-modulated radiotherapy modalities; training an artificial intelligence model using the training dataset, such that the artificial intelligence model is configured to receive data associated with a new patient and generate a predicted dose map for the new patient indicating dosage received by one or more internal structures of the new patient; executing the artificial intelligence model for the new patient to receive the predicted dose map for the new patient; and outputting the result.

Abstract: A control method of a vehicle external audio system includes, in response to the vehicle external audio system establishing a first type voice interaction strategy with a person, obtaining a plurality of biological features of the person performing voice interaction with the vehicle external audio system, determining emotion of the person according to a change of the plurality of biological features, and, in response to the emotion of the person changing, controlling the vehicle external audio system to switch from the first type voice interaction strategy to a second type voice interaction strategy, or, in response to the vehicle external audio system establishing the first type voice interaction strategy with the person, obtaining surrounding environment information of a vehicle, and in response to the surrounding environment information changing, controlling the vehicle external audio system to switch from the first type voice interaction strategy to the second type voice interaction strategy.

Abstract: A display device and a tiled display device are provided. The display device includes: a display panel; a backlight module located on an incident side of the display panel, and including a frame and a light guiding structure, where the frame includes a first supporting surface and a second supporting surface both facing the display panel, where the second supporting surface is located on a side of the first supporting surface away from the display panel, the first supporting surface is attached to a backlight surface of the display panel, and the second supporting surface is engaged with the light guiding structure. The assembling of the display panel and the backlight module can be achieved in the present disclosure.

Abstract: Disclosed is an image enhancement method, including: obtaining an image adjustment parameter; converting first image data to be processed into second image data; adjusting the luminance data to obtain adjusted luminance data, updating the luminance adjustment parameter when that the adjusted luminance data does not meet a preset luminance enhancement condition, and based on an updated luminance adjustment parameter, continuing to adjust the adjusted luminance data until final adjusted luminance data meets the luminance enhancement condition; adjusting the chroma data to obtain adjusted chroma data, updating the chroma adjustment parameter when that the adjusted chroma data does not meet a preset chroma enhancement condition, and based on an updated chroma adjustment parameter, continuing to adjust the adjusted chroma data until final adjusted chroma data meets the chroma enhancement condition; and performing image color dimension conversion on the luminance data and the chroma data to obtain third image data.

Abstract: A purification system for ionic liquid solvents includes an ionic liquid source that includes a first flow controller configured to provide a first flow stream at a first flow rate where the first flow stream including an ionic liquid requiring purification. An extraction liquid source provides a second flow stream including an extraction liquid that is immiscible with the ionic liquid. A mixing component is configured to mix the first flow stream and the second flow stream and output a mixed flow stream that includes a retentate phase and a permeate phase. A separator assembly includes a separation membrane interposed between a first flow channel assembly and a second channel assembly.

Abstract: A method, device, and medium are provided for processing an image using a machine learning model that identifies at least one candidate object from an image. The model comprises: a feature extraction model for describing an association between the image and a feature of the at least one candidate object; and a classification scoring model for describing an association between the feature and a classification score of the at least one candidate object. An update parameter associated with the classification scoring model is determined based on the classification score of the at least one candidate object and a ground truth classification score of at least one ground truth object in the image. The classification scoring model is updated based on the update parameter associated with the classification scoring model. The feature extraction model is prevented from being updated with the update parameter associated with the classification scoring model.

Abstract: The application discloses a processing method for graphite acid purification wastewater which comprises processing steps of neutralization and precipitation preprocessing, supernatant electrically distilling and vaporizing, electric energy recycling, condensate recycling and vaporization residue regularly discharging. The processing method performs neutralization and precipitation preprocessing to obtain neutralized supernatant, pumps the supernatant into an electric distiller to be vaporized and obtain electric energy for recycling through steam turbine, and acquires vaporization condensate by residual heat exchange. The vaporization condensate reaches the standard of graphite acid purification impurities such as fluorine, chlorine, aluminum, silicon, iron, magnesium, copper, and zinc and the wastewater discharge standard. The steam heat energy can be recycled and transformed into electric energy to save processing cost.

Abstract: A flavoring sheet with an enhanced flavor holding amount and flavor retention and a smoking article including the same are provided. The flavoring sheet according to some embodiments of the present disclosure may include a hydrocolloid material configured to form a sheet, an emulsifier, and a fat-soluble flavoring. The emulsifier may serve as a cross-link between the water-soluble hydrocolloid material and the fat-soluble flavoring and increase a flavor holding amount and flavor retention of the flavoring sheet.